Alerts

If a tracker transmits an 'alert' message, you will now see an alert='true' parameter, as well as an alertType="BUTTON" parameter. The alertType parameter could have any of these values:

Value	Meaning
BUTTON	The user has pressed the red alert button
BT_LOST	The bluetooth connection has been lost
COLLISION	A collision alert
COUNTDOWN	The countdown timer has timed-out
DEAD_MAN	The dead-man timer wasn't reset in time
GEOFENCE	The tracker has moved too far from it's geofence centre
CANCEL	The user has cancelled any previous alerts (this is a menu option on the tracker).
POWER	External power (5V) has been disconnected or re-connected
TEMPERATURE	Temperature outside preset range.
POLYFENCE	The tracker has transmitted because it crossed a polyfence boundary.
SWITCH_A_RISING SWITCH_A_FALLING SWITCH_B_RISING SWITCH_B_FALLING SWITCH_C_RISING SWITCH_C_FALLING SWITCH_D_RISING SWITCH_D_FALLING SWITCH_E_RISING SWITCH_E_FALLING	Activity occurred on an external input
HOVER_ENTRY HOVER_EXIT	RockAIR specific feature - hover detection events
TAKE_OFF LANDING STOPPED MOVING	RockAIR specific feature - events for fixed-wing aircraft to represent stopped (on blocks), moving (off-blocks), take-off and landing.
TRACKING_SUSPEND TRACKING_AUTO_RESUME TRACKING_MANUAL_RESUME	Suspend/resume events
EXCESSIVE_DESCENT_RATE EXCESSIVE_ASCENT_RATE	Excessive rate of change of altitude events
WAYPOINT_A WAYPOINT_B WAYPOINT_C WAYPOINT_D	Waypoint events